开放端口永久的开放需要的端口sudo firewall-cmd --zone=public --add-port=8080/tcp --permanent sudo firewall-cmd --reload之后检查新的防火墙规则firewall-cmd --list-all关闭防火墙//临时关闭防火墙,重启后会重新自动打开 systemctl restart firewalld //检查防火墙状态 firewall-cmd --state firewall-cmd --list-all //Disable firewall systemctl disable firewalld systemctl stop firewalld systemctl status firewalld //Enable firewall systemctl enable firewalld systemctl start firewalld systemctl status firewallad